Finding the Fourth Proportional to 536,587.11, 740,328.74 and 321,648.75
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Solution
The fourth proportional to 536,587.11, 740,328.74 and 321,648.75 is: 443,778.48
Step by Step Solution
- Step 1: Write the proportion equation
536,587.11 : 740,328.74 = 321,648.75 : x - Step 2: Convert to fraction form
536,587.11/740,328.74 = 321,648.75/x - Step 3: Cross multiply
536,587.11x = 740,328.74 × 321,648.75 - Step 4: Simplify right side
536,587.11x = 238,125,812,201.83 - Step 5: Solve for x
x = 238,125,812,201.83/536,587.11 - Step 6: Final answer
x = 443,778.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.